| Year | 1940 |
| Date | 18-Jul |
| Volume | 83 |
| Issue | 2,045 |
| Page | 51 |
| Category | Boiler |
| Part | |
| Title | A Flash Steam Boiler |
| Author | A.G.Middler, Jnr. |
| Notes | Plan view of the firing arrangement, plan view of the plant in the model power boat, showing the returning flame leaving through ports at end of casing, alternative method |